Sewage treatment equipment

Abstract

The invention discloses sewage treatment equipment in the technical field of sewage treatment.The sewage treatment equipment comprises a treatment box, a cover plate and a rough filtration assembly, a mixing cavity and a filtering cavity are formed in the treatment box, a fine filtration assembly, a liquid drainage assembly, a stirring assembly, a pushing assembly and a piston assembly are arranged in the mixing cavity, and a water drainage pipe, a sealing assembly and a plurality of filter elements are arranged in the filtering cavity; multi-stage treatment of sewage is realized through the rough filtration assembly, the fine filtration assembly, the liquid discharge assembly and the plurality of filter elements, and the sewage is subjected to combined treatment by using different treatment modes; the stirring assembly, the pushing assembly and the piston assembly synchronously move through rotation of the fine filtration assembly, liquid medicine enters sewage through the liquid discharging assembly, multi-point dosing is achieved in the sewage, stirring is conducted through the stirring assembly, and the sewage and the liquid medicine are more rapidly and evenly mixed; by arranging the filter pressing assembly, residual impurities in the fine filtration assembly are subjected to filter pressing treatment, and residual sewage in the impurities is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to sewage treatment equipment. Background Art

[0002] Chemical companies and other companies will generate a lot of chemical wastewater during the production and processing process. Direct discharge will affect the environment. Therefore, it needs to be treated accordingly before discharge to meet certain emission standards or recycling standards. Commonly used treatment methods include filter plates and chemical treatments, membrane treatments, precipitation, etc., and different methods are used in combination according to emission needs or treatment levels.

[0003] The patent publication number is CN221370686U, which is a chemical wastewater environmental protection treatment device. Its structure mainly includes a treatment barrel, a filter block and a flushing barrel are arranged on the upper part of the treatment barrel, and a stirring scraper structure is arranged in the treatment barrel; after the sewage enters the treatment barrel, it is filtered through the filter plate in the filter block, and then the sewage and the reagent are mixed by the stirring blades in the stirring scraper structure. At the same time, the scraper is used to scrape off the impurities stuck on the inner wall of the treatment barrel, and the inside of the treatment barrel can also be flushed through the flushing barrel and the flushing structure in the flushing barrel.

[0004] However, the above-mentioned treatment device can only perform a single filtration treatment when filtering sewage, and the filtering effect is poor. In addition, the impurities left on the filter plate after filtration are likely to cause clogging of the filter plate, affecting the filtering work.

[0005] Based on this, the present invention designs a sewage treatment device to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a sewage treatment device to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A sewage treatment device comprises a treatment box and a cover plate installed on the top of the treatment box;

[0009] A coarse filter assembly is provided on the cover plate, a mixing chamber is provided in the processing box, a support ring platform is fixed on the upper part of the inner wall of the mixing chamber, a fixed ring plate is installed on the support ring platform, a fine filter assembly is rotatably connected at the center of the fixed ring plate, and a filter press assembly is provided in the fine filter assembly;

[0010] A plurality of stirring components are evenly arranged and rotatably connected along the circumferential direction below the fixed ring plate, and the top of the stirring component passes through the fixed ring plate and is correspondingly connected to the fine filter component. A liquid adding component is arranged on the outer side of the fine filter component, and the bottom of the liquid adding component passes through the plurality of stirring components;

[0011] A plurality of piston assemblies are evenly arranged on the fixed ring plate, the piston assemblies are correspondingly connected to the liquid adding assemblies, one side of the piston assemblies is connected to the pushing assemblies, the positions of the pushing assemblies and the stirring assemblies correspond one to one, and the tops of the stirring assemblies are correspondingly connected;

[0012] An annular liquid storage cavity is provided at the bottom of the cover plate, a liquid inlet is provided at the top of the liquid storage cavity, and a liquid outlet is provided at the position of the bottom corresponding to the piston assembly, and is connected to the piston assembly through the liquid outlet;

[0013] A filter chamber is provided at the lower part of the treatment box, and a notch communicating with the filter chamber is provided at the bottom center of the mixing chamber, a vertical drain pipe is fixed at the center of the filter chamber, a movable chamber is provided at the upper part of the drain pipe, a sealing assembly is provided in the movable chamber, and the sealing assembly is connected to the notch at the bottom of the mixing chamber correspondingly;

[0014] The bottom end of the drain pipe extends out of the treatment box, and a plurality of drain ports connected to the filter chamber are evenly arranged along the circumferential direction in the middle of the side wall of the drain pipe. The filter chamber is evenly arranged along the circumferential direction. A plurality of filter elements are evenly arranged along the circumferential direction. One end of the filter element is fixedly connected to the inner wall of the filter chamber, and the other end is inserted into the drain port.

[0015] Preferably, the coarse filter assembly includes a coarse filter tank fixed above the cover plate, a vertical water inlet pipe is fixed in the middle of the bottom of the coarse filter tank, the bottom end of the water inlet pipe passes through the cover plate and extends into the upper part of the mixing chamber, a coarse filter screen is fixed in the coarse filter tank, a scraper plate is slidably connected to the top of the coarse filter screen, the top of the scraper plate is fixedly connected to a first slider through a connecting plate, a first screw is threadedly connected to the first slider, support plates are fixed to the tops of both side walls of the coarse filter tank, both ends of the first screw are rotatably connected to the support plates on both sides, and one end of the first screw is connected to a motor.

[0016] Preferably, the fine filter assembly includes a fine filter tank rotatably connected to the center of the fixed ring plate, the filter press assembly is located at the upper part of the inner cavity of the fine filter tank, a fine filter screen is fixed to the bottom end of the fine filter tank, and a first gear ring is fixed to the outer wall of the fine filter tank, a driving gear is meshed on one side of the first gear ring, the driving gear is connected to a motor, and the motor is fixed to the top of the fixed ring plate.

[0017] Preferably, the filter press assembly includes a sliding cylinder slidably connected to the outside of the water inlet pipe, an annular filter press plate is fixed to the outside of the bottom end of the sliding cylinder, and the filter press plate is slidably connected to the inner wall of the fine filter tank, and inclined connecting rods are symmetrically arranged on both sides of the top of the filter press plate and rotatably connected, the top of the connecting rod is rotatably connected to a second slider, the second slider is slidably connected to the bottom surface of the cover plate, and a second screw is threadedly connected in the second slider, the second screw is rotatably connected to the bottom surface of the cover plate, and the outer end is connected to a motor.

[0018] Preferably, a second pulley is fixed to the outer end of the second screw rod, first pulleys are fixed to corresponding positions on both sides of the first screw rod, and the first pulley is connected to the corresponding second pulley through a transmission belt.

[0019] Preferably, the liquid adding assembly includes an annular frame located above the fixed ring plate, the bottom of the annular frame is connected to the fixed ring plate through a plurality of evenly arranged fixing rods, a vertical fixed shaft is provided at the position corresponding to each stirring assembly on the annular frame, a vertical drainage channel is provided at the center of the fixed shaft, the bottom end of the fixed shaft passes through the stirring assembly, and the top end of the drainage channel is connected to the piston assembly accordingly.

[0020] Preferably, the stirring assembly includes a rotating cylinder rotatably connected to the outside of the fixed shaft, a second gear ring is fixed to the outside of the top of the rotating cylinder, the second gear ring is meshed with the first gear ring, and the bottom end of the rotating cylinder passes through the fixed ring plate and is fixed with a rotating shell, the bottom end of the fixed shaft passes through and extends out of the rotating shell, and a fixed gear is provided at a position of the fixed shaft corresponding to the inside of the rotating shell, a rotating gear is meshed on one side of the fixed gear, a vertical stirring shaft is fixed at the center of the rotating gear, the stirring shaft is rotatably connected to the rotating shell, and the bottom end extends out of the rotating shell and is close to the bottom surface of the mixing chamber, and a plurality of stirring plates are evenly fixed on the stirring shaft.

[0021] Preferably, the piston assembly includes a piston chamber fixedly mounted on a fixed ring plate, fixed short tubes are provided at the top and bottom of the piston chamber, a one-way valve is provided in the fixed short tube, and the outer ends of the two fixed short tubes are respectively inserted into the discharge channel and the liquid outlet, a piston plate is connected to the piston chamber through a spring, a piston rod is fixed to one side of the piston plate, the outer end of the piston rod extends out of the piston chamber and is correspondingly connected to the pushing assembly.

[0022] Preferably, the pushing assembly includes a rotating gear plate rotatably connected to the top of the fixed ring plate, a plurality of teeth are evenly fixed on the outer edge of the rotating gear plate in the circumferential direction and meshes with the second gear ring at the corresponding position, a cam ring plate is fixed to the rotating gear plate, a vertical pushing shaft is fixed to the bottom of the outer end of the piston rod, and the bottom end of the pushing shaft is located on the inner side of the cam ring plate and contacts with the inner wall of the cam ring plate.

[0023] Preferably, the sealing assembly includes a sealing plug located at the groove at the bottom of the mixing chamber, and an annular protrusion structure is provided on the outer side of the top end of the sealing plug, and the bottom of the protrusion structure contacts the bottom surface of the mixing chamber, and a vertical moving rod is fixed in the middle of the bottom of the sealing plug, and the bottom end of the moving rod passes through the top center of the drain pipe and extends into the moving chamber, and a moving plate is fixed at the bottom end, and a plurality of springs are evenly connected between the top surface of the moving plate and the top surface of the moving chamber, and a rotating cam is provided at the bottom of the moving plate, and the rotating cam is connected to a motor, and the motor is fixed to the bottom surface of the moving chamber.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The present invention intercepts larger impurities in sewage through a coarse filtration component, performs fine filtration in a fine filtration component, and allows the filtered sewage to enter a mixing chamber for liquid treatment, and enter a filter chamber for further filtration by a filter element, thereby achieving multi-stage treatment of sewage and combining different treatment methods to treat sewage;

[0026] 2. The present invention drives the stirring component to rotate by the rotation of the fine filter component, drives the push component and the piston component to move through the top of the stirring component, so that the liquid medicine enters the sewage through the drainage component, realizes multi-point dosing in the sewage, and stirs the sewage through the stirring component, so that the sewage and the liquid medicine are mixed more quickly and evenly, thereby improving the sewage treatment effect;

[0027] 3. The present invention provides a filter press component to perform filter press treatment on the impurities remaining in the fine filter component, thereby reducing the sewage remaining in the impurities, facilitating subsequent cleaning, and improving the treatment rate of sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0029] Figure 1 It is a schematic diagram of the structure of the present invention;

[0030] Figure 2 It is a structural schematic diagram of the fixed ring plate of the present invention;

[0031] Figure 3 It is a structural schematic diagram of the piston chamber of the present invention;

[0032] Figure 4 for Figure 1 Schematic diagram of the structure at A in the middle;

[0033] Figure 5 for Figure 1 Schematic diagram of the structure at B in the middle;

[0034] Figure 6 for Figure 2 Schematic diagram of the structure at C in the middle;

[0035] Figure 7 for Figure 2 Schematic diagram of the structure at D in the middle;

[0036] Figure 8 It is a structural schematic diagram of the fine filter tank of the present invention;

[0037] Fig. 9It is a schematic structural diagram of the filter press plate of the present invention.

[0038] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0039] 100-processing box, 101-mixing chamber, 102-filtering chamber, 103-drain pipe, 104-moving chamber, 105-drain port, 106-filtering element, 107-supporting ring platform;

[0040] 200-cover plate, 201-liquid storage chamber, 202-liquid inlet, 203-liquid outlet, 204-second screw, 205-second slider, 206-second pulley;

[0041] 300-coarse filter tank, 301-coarse filter screen, 302-water inlet pipe, 303-scraper plate, 304-first slider, 305-connecting plate, 306-first screw rod, 307-support plate, 308-first pulley;

[0042] 400-fixed ring plate, 401-stirring shaft, 402-stirring plate, 403-rotating cylinder, 404-rotating shell, 405-fixed gear, 406-rotating gear, 407-fixed shaft, 408-drainage channel, 409-second gear ring;

[0043] 500-fine filter screen, 501-fine filter tank, 502-filter plate, 503-first gear ring, 504-driving gear, 505-sliding cylinder, 506-connecting rod;

[0044] 600-piston chamber, 601-fixed short tube, 602-piston plate, 603-piston rod, 604-propelling shaft, 605-rotating gear plate, 606-cam ring plate, 607-ring frame, 608-fixed rod;

[0045] 700-sealing plug, 701-moving rod, 702-moving plate, 703-rotating cam. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0047] Embodiment 1

[0048] Please refer to the accompanying drawings, the present invention provides a technical solution:

[0049] A sewage treatment equipment, such as Figure 1As shown, it includes a processing box 100 and a cover plate 200 installed on the top of the processing box 100;

[0050] A coarse filter assembly is provided on the cover plate 200, a mixing chamber 101 is provided in the processing box 100, a support ring 107 is fixed to the upper part of the inner wall of the mixing chamber 101, a fixed ring plate 400 is installed on the support ring 107, a fine filter assembly is rotatably connected at the center of the fixed ring plate 400, and a filter press assembly is provided in the fine filter assembly;

[0051] A plurality of stirring assemblies are evenly arranged and rotatably connected along the circumferential direction below the fixed ring plate 400, and the top of the stirring assembly passes through the fixed ring plate 400 and is correspondingly connected to the fine filter assembly. A liquid adding assembly is arranged on the outer side of the fine filter assembly, and the bottom of the liquid adding assembly passes through a plurality of stirring assemblies.

[0052] like Figure 2 As shown, a plurality of piston assemblies are evenly arranged on the fixed ring plate 400, the piston assemblies are correspondingly connected to the liquid adding assemblies, one side of the piston assemblies is connected to the pushing assemblies, the positions of the pushing assemblies and the stirring assemblies correspond one to one, and the tops of the stirring assemblies are correspondingly connected;

[0053] The bottom of the cover plate 200 is provided with an annular liquid storage chamber 201, the top of the liquid storage chamber 201 is provided with a liquid inlet 202, and the bottom corresponding to the position of the piston assembly is provided with a liquid outlet 203, and is connected to the piston assembly through the liquid outlet 203;

[0054] A filter chamber 102 is provided at the lower part of the treatment box 100, and a notch communicating with the filter chamber 102 is provided at the bottom center of the mixing chamber 101. A vertical drain pipe 103 is fixed at the center of the filter chamber 102. A movable chamber 104 is provided at the upper part of the drain pipe 103. A sealing assembly is provided in the movable chamber 104, and the sealing assembly is connected to the notch at the bottom of the mixing chamber 101 correspondingly.

[0055] The bottom end of the drain pipe 103 extends out of the treatment box 100, and a plurality of drain ports 105 connected to the filter chamber 102 are evenly arranged in the middle of the side wall of the drain pipe 103 along the circumferential direction. The filter chamber 102 is evenly arranged in the circumferential direction. A plurality of filter elements 106 are evenly arranged in the circumferential direction. One end of the filter element 106 is fixedly connected to the inner wall of the filter chamber 102, and the other end is inserted into the drain port 105.

[0056] When treating chemical wastewater, the wastewater first enters the coarse filtration component for coarse filtration treatment to intercept larger impurities in the wastewater. The coarse filtration component is arranged on the outside of the treatment box 100 to facilitate the cleaning of impurities therein. After the coarse filtration treatment, the wastewater enters the fine filtration component for fine filtration treatment to improve the sewage filtration effect. While filtering the wastewater, the impurities in the fine filtration component are gradually moved to the side position through the rotation effect to prevent the impurities from staying in place and causing blockage. After working for a period of time, the impurities in the fine filtration component can be pressed and filtered through the filter press component to reduce the residual wastewater in the impurities, which is convenient for subsequent cleaning and maintenance.

[0057] The sewage after coarse filtration and fine filtration enters the mixing chamber 101. When the fine filtration component rotates, the stirring component rotates accordingly, thereby stirring the sewage, and driving the pushing component to move through the top of the stirring component, thereby driving the piston component, so that the treatment liquid in the liquid storage chamber 201 enters the discharge component under the action of the piston component, so that the liquid medicine can pass through the corresponding stirring component and enter the sewage, so that multi-point dosing is achieved in the sewage, and the stirring component is used to stir while adding the medicine, so that the sewage and the liquid medicine are mixed more quickly and evenly, thereby improving the sewage treatment effect.

[0058] After the liquid medicine treatment is completed, the sealing component is started to open the slot at the bottom of the mixing chamber 101 to allow the sewage to enter the filter chamber 102, and the sewage is filtered again by multiple filter elements 106 to further improve the sewage treatment effect. The treated sewage enters the drain pipe 103 through the drain port 105 and is then discharged through the drain pipe 103.

[0059] The present invention realizes multi-stage treatment of sewage by arranging a coarse filter component, a fine filter component, a liquid adding component and a plurality of filter elements 106, and uses different treatment methods to perform combined treatment on sewage, thereby improving the functionality of the treatment device; the present invention drives the stirring component, the pushing component and the piston component to move synchronously by the rotating fine filter component, thereby realizing the dosing and stirring mixing treatment while filtering; the present invention arranges a filter press component to perform filter press treatment on the impurities remaining in the fine filter component, thereby reducing the sewage remaining in the impurities, facilitating subsequent cleaning, and improving the treatment rate of sewage.

[0060] When it is necessary to perform cleaning and maintenance operations on the inside of the processing device, the corresponding structures can be removed from the processing box 100 by disassembling the cover plate 200 and the fixed ring plate 400 to perform the corresponding operations.

[0061] Among them, Figure 1As shown, the coarse filter assembly includes a coarse filter tank 300 fixed on the top of the cover plate 200, a vertical water inlet pipe 302 is fixed in the middle of the bottom of the coarse filter tank 300, the bottom end of the water inlet pipe 302 passes through the cover plate 200 and extends into the upper part of the mixing chamber 101, a coarse filter screen 301 is fixed in the coarse filter tank 300, and a scraper plate 303 is slidably connected to the top of the coarse filter screen 301, as shown in FIG. Figure 4 As shown, the top of the scraper plate 303 is fixedly connected to the first slider 304 via a connecting plate 305, and the first screw 306 is threadedly connected in the first slider 304. Support plates 307 are correspondingly fixed to the tops of the two side walls of the coarse filter tank 300. Both ends of the first screw 306 are rotatably connected to the support plates 307 on both sides, and one end of the first screw 306 is connected to a motor.

[0062] When sewage is treated, the sewage is transported to the coarse filter tank 300 and is coarsely filtered through the coarse filter screen 301 so as to intercept larger solid impurities. When the coarse filter screen 301 needs to be cleaned, the first screw 306 is rotated by the motor, so that the first slider 304 drives the scraper plate 303 to move in the coarse filter tank 300, and the impurities on the coarse filter screen 301 are pushed and concentrated to one side of the coarse filter screen 301 through the scraper plate 303, and squeezed and dehydrated, etc., to reduce the residual sewage in the impurities, avoid clogging of the coarse filter screen 301, and facilitate subsequent cleaning and removal of impurities.

[0063] Among them, Figure 1 As shown, the fine filter assembly includes a fine filter tank 501 rotatably connected to the center of the fixed ring plate 400, the filter press assembly is located at the upper part of the inner cavity of the fine filter tank 501, a fine filter screen 500 is fixed at the bottom end of the fine filter tank 501, and a first gear ring 503 is fixed on the outer side wall of the fine filter tank 501, as shown in FIG. Figure 8 As shown, a driving gear 504 is meshed on one side of the first gear ring 503, and the driving gear 504 is connected to a motor, and the motor is fixed to the top of the fixed ring plate 400. The driving gear 504 drives the first gear ring 503 to rotate through the drive of the motor, thereby rotating the fine filter tank 501.

[0064] When the water is discharged from the water inlet pipe 302 into the fine filter tank 501, it is filtered through the fine filter screen 500. At the same time, the impurities on the fine filter screen 500 are moved toward the side wall of the fine filter tank 501 through rotation, so as to avoid the impurities staying in place and causing the fine filter screen 500 to be blocked, and to facilitate the subsequent filter press assembly to filter the impurities.

[0065] Among them, Fig. 9As shown, the filter press assembly includes a sliding cylinder 505 slidably connected to the outside of the water inlet pipe 302, an annular filter press plate 502 is fixed to the outside of the bottom end of the sliding cylinder 505, and the filter press plate 502 is slidably connected to the inner wall of the fine filter tank 501, and inclined connecting rods 506 are symmetrically arranged on both sides of the top of the filter press plate 502 and rotatably connected, the top of the connecting rod 506 is rotatably connected to the second slider 205, the second slider 205 is slidably connected to the bottom surface of the cover plate 200, and the second slider 205 is threadedly connected to the second screw 204, the second screw 204 is rotatably connected to the bottom surface of the cover plate 200, and the outer end is connected to a motor.

[0066] When it is necessary to filter the impurities on the fine filter 500, the second screw 204 is rotated by the motor, and the two second screws 204 drive the corresponding second sliders 205 to move inward at the same time, thereby driving the connecting rod 506 to move through the second slider 205, so that the connecting rod 506 pushes the filter press plate 502 to move downward, thereby filtering the impurities on the fine filter 500 through the filter press plate 502, reducing the residual sewage in the impurities, and facilitating the subsequent cleaning and collection of the impurities.

[0067] Embodiment 2

[0068] The structure of this embodiment is basically the same as that of the first embodiment, except that Figure 3 As shown, the liquid adding component includes an annular frame 607 located above the fixed ring plate 400, the bottom of the annular frame 607 is connected to the fixed ring plate 400 through a plurality of evenly arranged fixing rods 608, a vertical fixed shaft 407 is provided at the position corresponding to each stirring component on the annular frame 607, a vertical discharge channel 408 is provided at the center of the fixed shaft 407, and the bottom end of the fixed shaft 407 passes through the stirring component, and the top end of the discharge channel 408 is connected to the piston component accordingly, when the stirring component drives the piston component to work by pushing the component, the medicine liquid in the liquid storage chamber 201 enters the discharge channel 408 of the fixed shaft 407 through the action of the piston component, and is discharged into the sewage in the mixing chamber 101 through the discharge channel 408, and is fully mixed with the sewage under the action of the stirring component, thereby improving the sewage treatment effect.

[0069] like Figure 2 As shown, the stirring assembly includes a rotating cylinder 403 rotatably connected to the outside of a fixed shaft 407, and a second gear ring 409 is fixed to the outside of the top of the rotating cylinder 403. Figure 6As shown, the second gear ring 409 is meshed with the first gear ring 503, and the bottom end of the rotating cylinder 403 passes through the fixed ring plate 400 and is fixed with a rotating shell 404, the bottom end of the fixed shaft 407 passes through and extends out of the rotating shell 404, and the fixed shaft 407 is provided with a fixed gear 405 at a position corresponding to the inside of the rotating shell 404, and a rotating gear 406 is meshed on one side of the fixed gear 405, and a vertical stirring shaft 401 is fixed at the center of the rotating gear 406, the stirring shaft 401 is rotatably connected to the rotating shell 404, and the bottom end extends out of the rotating shell 404 and is close to the bottom surface of the mixing chamber 101, and a plurality of stirring plates 402 are evenly fixed on the stirring shaft 401.

[0070] When the fine filtration assembly rotates, the multiple rotating cylinders 403 are rotated through the transmission of the first gear ring 503 and the second gear ring 409. The rotating cylinder 403 and the rotating shell 404 drive the stirring shaft 401 and other structures to rotate around the fixed shaft 407. During the rotation, the rotating gear 406 rotates relative to the fixed gear 405, thereby driving the stirring shaft 401 and the stirring plate 402 to rotate, thereby achieving stirring and mixing of the sewage.

[0071] Embodiment 3

[0072] The structure of this embodiment is basically the same as that of the first embodiment, except that Figure 3 As shown, the piston assembly includes a piston chamber 600 fixedly mounted on a fixed ring plate 400, and a fixed short tube 601 is provided at the top and bottom of the piston chamber 600, and a one-way valve is provided in the fixed short tube 601, and as shown in FIG. Figure 7 As shown, the outer ends of the two fixed short tubes 601 are respectively inserted into the discharge channel 408 and the liquid outlet 203, and the piston cavity 600 is connected to a piston plate 602 through a spring. A piston rod 603 is fixed to one side of the piston plate 602. The outer end of the piston rod 603 extends out of the piston cavity 600 and is correspondingly connected to the pushing component.

[0073] When the stirring component rotates, the pushing component is driven to move through the second gear ring 409, thereby driving the piston rod 603 and the piston plate 602 to move back and forth through the cooperation of the pushing component and the spring, so that the liquid medicine in the liquid storage chamber 201 can enter the sewage in the mixing chamber 101 along the discharge channel 408 through the action of the piston component, thereby adding liquid medicine while the stirring component is stirring.

[0074] like Figure 3 As shown, the pushing assembly includes a rotating gear disc 605 rotatably connected to the top of the fixed ring plate 400, and a plurality of teeth are evenly fixed on the outer edge of the rotating gear disc 605 in the circumferential direction and mesh with the second gear ring 409 at the corresponding position, and the rotating gear disc 605 is fixed with a cam ring plate 606, and a vertical pushing shaft 604 is fixed to the bottom of the outer end of the piston rod 603, and the bottom end of the pushing shaft 604 is located on the inner side of the cam ring plate 606 and contacts with the inner wall of the cam ring plate 606.

[0075] When the second gear ring 409 rotates, the teeth drive the rotating gear disc 605 to rotate, thereby rotating the cam ring plate 606, and in the process of rotation, it cooperates with the spring in the piston chamber 600 to drive the push shaft 604 to move, and then drives the piston rod 603 and the piston plate 602 to move back and forth, thereby realizing the addition of treatment liquid, etc.

[0076] Embodiment 4

[0077] The structure of this embodiment is basically the same as that of the first embodiment, except that Figure 5 As shown, the sealing assembly includes a sealing plug 700 located at the bottom groove of the mixing chamber 101, and an annular protrusion structure is provided on the outer side of the top of the sealing plug 700, and contacts the bottom surface of the mixing chamber 101 through the bottom of the protrusion structure, and a vertical moving rod 701 is fixed in the middle of the bottom of the sealing plug 700, and the bottom end of the moving rod 701 passes through the top center of the drain pipe 103 and extends into the moving chamber 104, and a moving plate 702 is fixed at the bottom end, and a plurality of springs are evenly connected between the top surface of the moving plate 702 and the top surface of the moving chamber 104, and a rotating cam 703 is provided at the bottom of the moving plate 702, and the rotating cam 703 is connected to a motor, and the motor is fixed to the bottom surface of the moving chamber 104.

[0078] When it is necessary to open the bottom slot of the mixing chamber 101, the rotating cam 703 is rotated by the motor, thereby lifting the movable plate 702, so that the movable rod 701 drives the sealing plug 700 to move upward, and opens the bottom slot of the mixing chamber 101; when the drainage is completed and the mixing chamber 101 and the filter chamber 102 need to be closed, the motor drives the rotating cam 703 to rotate, so that the movable plate 702 moves downward under the action of the spring, thereby moving the movable rod 701 and the sealing plug 700 move downward, and the slot is closed by the sealing plug 700.

[0079] Embodiment 5

[0080] The structure of this embodiment is basically the same as that of the first embodiment, except that Fig. 9 As shown, a second pulley 206 is fixed to the outer end of the second screw 204, and first pulleys 308 are fixed to corresponding positions on both sides of the first screw 306, and the first pulley 308 is connected to the corresponding second pulley 206 through a transmission belt. When the first screw 306 drives the scraper plate 303 to move, the second screw 204 is rotated at the same time through the transmission of the first pulley 308 and the second pulley 206, so that the filter press plate 502 moves accordingly, and the transmission ratio is adjusted by the first pulley 308 and the second pulley 206, so that when the scraper plate 303 moves to one side of the coarse filter tank 300, the filter press plate 502 just moves down to the fine filter screen 500, and when the first screw 306 drives the scraper plate 303 back to its original position, the filter press plate 502 also moves up and back to its original position.

[0081] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0082] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sewage treatment device, comprising a treatment box (100) and a cover plate (200) installed on the top of the treatment box (100), characterized in that: The cover plate (200) is provided with a coarse filter assembly, the processing box (100) is provided with a mixing chamber (101), a support ring platform (107) is fixed to the upper part of the inner wall of the mixing chamber (101), a fixed ring plate (400) is installed on the support ring platform (107), a fine filter assembly is rotatably connected at the center of the fixed ring plate (400), and a filter press assembly is provided in the fine filter assembly; A plurality of stirring assemblies are evenly arranged and rotatably connected along the circumferential direction below the fixed ring plate (400), and the top of the stirring assembly passes through the fixed ring plate (400) and is correspondingly connected to the fine filter assembly. A liquid adding assembly is arranged on the outside of the fine filter assembly, and the bottom of the liquid adding assembly passes through the plurality of stirring assemblies. The fixed ring plate (400) is evenly provided with a plurality of piston assemblies, the piston assemblies are correspondingly connected to the liquid adding assemblies, one side of the piston assemblies is connected to a pushing assembly, the positions of the pushing assemblies correspond one to one with the stirring assemblies, and the tops of the stirring assemblies are correspondingly connected; The bottom of the cover plate (200) is provided with an annular liquid storage cavity (201), the top of the liquid storage cavity (201) is provided with a liquid inlet (202), and the bottom is provided with a liquid outlet (203) at a position corresponding to the piston assembly, and is connected to the piston assembly via the liquid outlet (203); A filter chamber (102) is provided at the lower part of the treatment box (100), and a notch communicating with the filter chamber (102) is provided at the center of the bottom of the mixing chamber (101), a vertical drain pipe (103) is fixed at the center of the filter chamber (102), a movable chamber (104) is provided at the upper part of the drain pipe (103), a sealing assembly is provided in the movable chamber (104), and the sealing assembly is connected to the notch at the bottom of the mixing chamber (101) correspondingly; The bottom end of the drain pipe (103) extends out of the treatment box (100), and a plurality of drain ports (105) connected to the filter chamber (102) are evenly arranged in the middle of the side wall of the drain pipe (103) along the circumferential direction. The filter chamber (102) is evenly arranged with a plurality of filter cores (106) along the circumferential direction. One end of the filter core (106) is fixedly connected to the inner wall of the filter chamber (102), and the other end is inserted into the drain port (105).

2. The sewage treatment equipment according to claim 1, characterized in that: The coarse filter assembly comprises a coarse filter tank (300) fixed above the cover plate (200); a vertical water inlet pipe (302) is fixed in the middle of the bottom of the coarse filter tank (300); the bottom end of the water inlet pipe (302) passes through the cover plate (200) and extends into the upper part of the mixing chamber (101); a coarse filter screen (301) is fixed in the coarse filter tank (300); a scraper plate (303) is slidably connected to the top of the coarse filter screen (301); a first slider (304) is fixedly connected to the top of the scraper plate (303) via a connecting plate (305); a first screw rod (306) is threadedly connected to the first slider (304); support plates (307) are correspondingly fixed to the tops of the two side walls of the coarse filter tank (300); two ends of the first screw rod (306) are rotatably connected to the support plates (307) on both sides; and one end of the first screw rod (306) is connected to a motor.

3. The sewage treatment equipment according to claim 2, characterized in that: The fine filter assembly comprises a fine filter groove (501) rotatably connected to the center of the fixed ring plate (400), the filter press assembly is located at the upper part of the inner cavity of the fine filter groove (501), a fine filter screen (500) is fixed at the bottom end of the fine filter groove (501), and a first gear ring (503) is fixed on the outer side wall of the fine filter groove (501), a driving gear (504) is meshed on one side of the first gear ring (503), and the driving gear (504) is connected to a motor, and the motor is fixed to the top of the fixed ring plate (400).

4. The sewage treatment equipment according to claim 3, characterized in that: The filter press assembly comprises a sliding cylinder (505) slidably connected to the outside of the water inlet pipe (302); an annular filter press plate (502) is fixed to the outside of the bottom end of the sliding cylinder (505); the filter press plate (502) is slidably connected to the inner wall of the fine filter tank (501); inclined connecting rods (506) are symmetrically arranged on both sides of the top of the filter press plate (502) and are rotatably connected; the top of the connecting rod (506) is rotatably connected to a second slider (205); the second slider (205) is slidably connected to the bottom surface of the cover plate (200); a second screw rod (204) is threadedly connected in the second slider (205); the second screw rod (204) is rotatably connected to the bottom surface of the cover plate (200), and a motor is connected to the outer end.

5. The sewage treatment equipment according to claim 4, characterized in that: A second pulley (206) is fixed to the outer end of the second screw rod (204), and first pulleys (308) are respectively fixed to corresponding positions on both sides of the first screw rod (306), and the first pulley (308) is connected to the corresponding second pulley (206) through a transmission belt.

6. The sewage treatment equipment according to claim 3, characterized in that: The liquid adding assembly comprises an annular frame (607) located above the fixed annular plate (400); the bottom of the annular frame (607) is connected to the fixed annular plate (400) via a plurality of evenly arranged fixing rods (608); a vertical fixing shaft (407) is provided at a position corresponding to each stirring assembly on the annular frame (607); a vertical liquid discharge channel (408) is provided at the center of the fixing shaft (407); the bottom end of the fixing shaft (407) passes through the stirring assembly; and the top end of the liquid discharge channel (408) is correspondingly connected to the piston assembly.

7. The sewage treatment equipment according to claim 6, characterized in that: The stirring assembly comprises a rotating cylinder (403) rotatably connected to the outside of a fixed shaft (407), a second gear ring (409) is fixed to the outside of the top of the rotating cylinder (403), the second gear ring (409) is meshed with the first gear ring (503), and the bottom end of the rotating cylinder (403) passes through the fixed ring plate (400) and is fixed with a rotating shell (404), the bottom end of the fixed shaft (407) passes through and extends out of the rotating shell (404), and the fixed shaft (407) corresponds to the rotating cylinder (403). A fixed gear (405) is provided inside the rotating shell (404), and a rotating gear (406) is meshed on one side of the fixed gear (405). A vertical stirring shaft (401) is fixed at the center of the rotating gear (406). The stirring shaft (401) is rotatably connected to the rotating shell (404), and the bottom end thereof extends out of the rotating shell (404) and is close to the bottom surface of the mixing chamber (101). A plurality of stirring plates (402) are evenly fixed on the stirring shaft (401).

8. The sewage treatment equipment according to claim 7, characterized in that: The piston assembly includes a piston chamber (600) fixedly mounted on a fixed ring plate (400), the top and bottom of the piston chamber (600) are provided with fixed short tubes (601), a one-way valve is provided in the fixed short tube (601), and the outer ends of the two fixed short tubes (601) are respectively inserted into the discharge channel (408) and the liquid outlet (203), the piston chamber (600) is connected to a piston plate (602) via a spring, a piston rod (603) is fixed to one side of the piston plate (602), the outer end of the piston rod (603) extends out of the piston chamber (600) and is correspondingly connected to the push assembly.

9. The sewage treatment equipment according to claim 8, characterized in that: The pushing assembly includes a rotating toothed disc (605) rotatably connected to the top of the fixed ring plate (400), and the outer edge of the rotating toothed disc (605) is evenly fixed with a plurality of teeth in the circumferential direction and meshes with the second gear ring (409) at the corresponding position. The rotating toothed disc (605) is fixed with a cam ring plate (606), and a vertical pushing shaft (604) is fixed to the bottom of the outer end of the piston rod (603), and the bottom end of the pushing shaft (604) is located on the inner side of the cam ring plate (606) and contacts the inner wall of the cam ring plate (606).

10. The sewage treatment equipment according to any one of claims 1 to 9, characterized in that: The sealing assembly comprises a sealing plug (700) located at the bottom notch of the mixing chamber (101), and a vertical moving rod (701) is fixed in the middle of the bottom of the sealing plug (700), the bottom end of the moving rod (701) passes through the top center of the drain pipe (103) and extends into the moving chamber (104), and a moving plate (702) is fixed at the bottom end, a plurality of springs are evenly connected between the top surface of the moving plate (702) and the top surface of the moving chamber (104), a rotating cam (703) is provided at the bottom of the moving plate (702), and the rotating cam (703) is connected to a motor, and the motor is fixed to the bottom surface of the moving chamber (104).

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